package com.kuang.dao;import com.kuang.pojo.Teacher;import org.apache.ibatis.annotations.Param;import org.apache.ibatis.annotations.Select;import java.util.List;public interface TeacherMapper {    //获取老师   // List<Teacher> getTeacher();    //获取制定老师下的所有学生 以及学生信息    Teacher getTeacher(@Param("tid") int id);    Teacher getTeacher2(@Param("tid") int id);}